Recent content by Marcak47

  1. M

    Merc 496 squeak diagnosis

    Correct. Same result when removing dip stick.
  2. M

    Merc 496 squeak diagnosis

    The pcv are internal. There is a vacuum being created in the crankcase trying to draw air into the engine. Something is blocked. The head will need to come off. We have a made a temporary fix for the rest of the summer by pocking a hole in the oil cap, inserted a brass fitting and attached hose...
  3. M

    Merc 496 squeak diagnosis

    I have the same issue. Hope someone comes up with a fix
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